Package "synaptic"

Graphical package manager
Synaptic is a graphical package management tool based on GTK+ and APT.
Synaptic enables you to install, upgrade and remove software packages in
a user friendly way.

Besides these basic functions the following features are provided:
* Search and filter the list of available packages
* Perform smart system upgrades
* Fix broken package dependencies
* Edit the list of used repositories (sources.list)
* Download the latest changelog of a package
* Configure packages through the debconf system
* Browse all available documentation related to a package (dwww is required)

Tweets

Major PPA/Debian repo cleanup just happened. All repos broken for 1 year or more + all repos that have seen no change in 2+ years have been removed from ubuntuupdates.org. Please reply if you think a PPA/repo has been removed by mistake.